Polishing effect
Dong Xing
aluminummanufacturerchina.com
2018-01-25 20:11:53
There are many factors that affect the price fluctuation of aluminum coil. One of them is the effect of polishing. After polishing aluminum sheet into aluminum products, it will show unique luster and even worse consumption.
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1. Use soft wood stick or bamboo stick for polishing with sand paper. When polishing a round or spherical surface, the use of a cork rod can better match the arc of the circular and spherical surfaces. Hard wood sticks, like cherry trees, are more suitable for smooth surface polishing. Trimming the ends of wood sticks can make them match the shape of the steel parts, so that the sharp scratches on the surfaces of steel strips and bamboo strips can be avoided and deep scratches can be avoided.
2. when changing different types of sandpaper, the direction of polishing should change 45 to 90 degrees, so that the stripe shadow left after the polishing of the previous type of sandpaper can be identified. Before changing different kinds of sandpaper, we must wipe the polishing surface carefully with 100% pure cotton and alcohol cleaning liquid, because a small gravel on the surface will destroy the next polishing job.
1. Use soft wood stick or bamboo stick for polishing with sand paper. When polishing a round or spherical surface, the use of a cork rod can better match the arc of the circular and spherical surfaces. Hard wood sticks, like cherry trees, are more suitable for smooth surface polishing. Trimming the ends of wood sticks can make them match the shape of the steel parts, so that the sharp scratches on the surfaces of steel strips and bamboo strips can be avoided and deep scratches can be avoided.
2. when changing different types of sandpaper, the direction of polishing should change 45 to 90 degrees, so that the stripe shadow left after the polishing of the previous type of sandpaper can be identified. Before changing different kinds of sandpaper, we must wipe the polishing surface carefully with 100% pure cotton and alcohol cleaning liquid, because a small gravel on the surface will destroy the next polishing job.
This cleaning process is also important when polishing the sand paper and replacing it with a diamond grinding paste. Before the polishing continues, all the particles and kerosene must be completely cleaned.
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3. In order to avoid scratching and burn the surface of the workpiece, it is necessary to be very careful when polishing with #1200 and #1500 sand paper. Therefore, it is necessary to load a light load and use the two step polishing method to polish the surface. Each type of sand paper should be polished in two different directions, and the two directions are rotated between 45 degrees and 90 degrees each time.
The excessive polishing of aluminum products will appear in dark colors. When the surface of aluminum products has a deep impression, the intensity of polishing will increase, and the prints will be thrown away. However, this will damage the surface of aluminum products and make the surface of the material dark. This phenomenon is more obvious in chemical polishing, with foggy milky white spots and still retained after anodization.
The use of abrasive paper for polishing aluminum products has some defects. We should make up for the existing technology, and at the same time, we should actively improve the polishing process of aluminum products, so as to make the processing technology develop faster.
The excessive polishing of aluminum products will appear in dark colors. When the surface of aluminum products has a deep impression, the intensity of polishing will increase, and the prints will be thrown away. However, this will damage the surface of aluminum products and make the surface of the material dark. This phenomenon is more obvious in chemical polishing, with foggy milky white spots and still retained after anodization.
The use of abrasive paper for polishing aluminum products has some defects. We should make up for the existing technology, and at the same time, we should actively improve the polishing process of aluminum products, so as to make the processing technology develop faster.
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